CVE Watchtower

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CVE-2025-41252NVD

Vulnerability Summary

Description: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts.


Impact: Username enumeration → facilitates unauthorized access.


Attack Vector: Remote, unauthenticated.


Severity: Important.


CVSSv3: 7.5 (High).


Acknowledgments: Reported by the National Security Agency.


Affected Products:



* VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x

* NSX-T 3.x

* VMware Cloud Foundation (with NSX) 5.x, 4.5.x












Fixed Versions: 



* NSX 9.0.1.0; 4.2.2.2/4.2.3.1 http://4.2.2.2/4.2.3.1 ; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287).






Workarounds: None.
Severity Level
HIGH(7.5)
Published Date
Sep 29, 2025
Last Modified
Oct 9, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.69%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
Not provided by NVD for this CVE.
Patched Versions
Not provided by NVD for this CVE.
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
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